Doffing device



Sept. 22, 1925.

2 Sheets-Sheet 1 ATTORNEY Sept. 22, 1925.

E. G. GOBEN DoFFme DEVICE Filed April 11-. 1923 2 Sheets-Sheet 2 ATTORNEY v Patented Sept. 22, 1925.

UNITED, sures PATENT oF ioE.

EDWARD GUY GOBEN, or BROOKLYN, NEW roux, Assrenon To E. v. BENJAMIN COMPANY, INC., on NEW ORLEANS, LOUISIANA, A oonronAri-on or LOU'ISIIANA.

DOFFING DEVICE.

Application filed April 11, 1923. Serial No. 631,347.

To all whom it may concern:

Be it known that I, EDWARD GUY GoBnN, a citizen of the United States, and resident of the borough of Brooklyn, city of New York, in the county of Kings and State of New York, have invented certain new and useful Improvements in a Doifing Device, of which the following is a specification.

This invention relates to a dofling device. The object of the invention is the production of a doffing device which will coact with a folding machine for pieces of material operated on. A second object of the invention is to doif pieces of material as they are released from a folding machine so that the said pieces of material are uniformly located upon the receiving board of a dofhng device. A third object of the invention is the production of an adjustable ,dofiing, device in which the receiving board thereof can be located in different positions relatively to said folding machine. Other objects will be evident fromthe following description and claims.

In the drawings Fig. 1 represents a side elevation of the device with the supporting beams of a cutting machine, and fragmentary portions of a printing press and a folding machine, with which it operates; Fig. '2 shows a top plan view of Fig. 1 .and Fig. .3 indicates an elevation ofa detail.

A fragmeiitary portion of a printing press is indicated with the side frame 20 having the leg 21, and the side frame-22' having the leg 23. Brackets 25 are fastened to the legs 9 21 and 23. A shaft 26 is journaled in the usual way in the side. frames 20 and 22. A printing press cylinder 28 having the usual grippers 30, and the spur gear 31 are. fastened to the shaft 26. Supporting beams 32 of a cutting machine are supported onthe side frames 20 and 22. On the frames 20 and 22 are supported the pair of journal brackets 33 and similar journal brackets .34 are supported on the brackets 25. A shaft 35 is journaled in the bearings 33 and on which are adjustab ly fastened a plurality of receiving wheels R, preferably more than indicated and which together constitute the receiving drum by means of the set screws 36. Each of the wheels R comprises the rim 3'? with the spokes 38. A circular annular web 39 with the circular annular slot 40 is formed with each of the wheels R. A wheel R and a spur gear Al are fastened to the leather. A gripper shaft extends through the slots 40 of the receiving wheels R and has fastended thereto the glrippers 56 which coact with thepliable buffers 54.

A stationary cam 62 is indicatedwith the cam surface 64 having the vertical. portion (5'5, the supporting lug 66 and the bearing67. The lug66 is fastened to the adjacent frame 20. The shaft 85 at one end issupporited in the bearing 67 of the cam 62. A gripper lever '70 is fastened to one end of the gripper shaft 55 and has journa'led thereto at one end the roller 71, which bears against the cain surface ofthe earn 62. A gripper springrod'l'2 is shown with the forked end 73 which latteris hinged to the lever 70.

The rod 7 2 is threaded for the adjusting nut 7 f. A spring 75 surrounds the spring rod 7 2 and one end thereof bears against thenut 74. An eye bolt 78 which encircles the rod 72 extends from the wheel B.

One end of the spring 7 5 bears against the eye bolt 78. By means of the nut'74 thetension of the spring 7 5 can be varied.

A shaft 80 has its ends jo rnaled in the journal brackets 34: and has fastened thereto the discharging drum comprising a plurality of discharging wheels 1). Each of the wheels D comprises the rim 82, the spokes 83 and the double spoke 84 with the opening 85.

A spur gear 86is fastened to one endof the shaft 80. A rodr87 extends through all the wheels D and the spur gear86. A cam is indicated at 89 with the raised cam surface 90, and is fastened to one of the brackets 25. A rod 92 is supported in the doublespokes 84C ofthe wheels D and in a spoke of the spur gear 86. Arms 93 have one end of each. fastened to the rod 92, and havefastened thereto the biting bar 94: having the fingers 95 and the recesses 96. nects the bar 94 and the rim of one of the wheels D. A. presser plate 98 preferably of soft pliable material is fastened'to the supporting plate 99 and the latter is fastenedto A spring 97 conone member of each of the double spokes 84 by means of screws, not shown. p M v An arm 101 is fastened to the rod 92 and has journaled in its outer end the cam roller 102, which coacts with the cam surface of the cam 89.

A bushing 105 having elongated openings 106 iskeyed to the shaft 35. A spur gear107 is supported on said bushing and fastened thereto by means of the bolts 108. The spur gear 107 meshes with the spur gear 31.

By means of the openings 106 the spur gear 107 can be clamped in different angular positions, to be enabled to time the receiving wheels R with the printing press cylinder 28.

. A doffing device is located belowthe discharging wheels I). The dofiing device comprises a pair of angular shaped brackets each with thehorizontal leg 110 and the 1nclined leg 111. The legs 110 are bolted to the legs 21 and 23 of the printing press side frames by means of the pairs of bolts 112. One of each of the pairs of bolts 112 may be omitted the brackets having the legs 110 and 111 in different angular pos1- tions. The legs 111 have bolted theretothe dotting board 113. A bar 114 having the elongated slot 115 is adjustably fastened -to each of the legs 110 by means of the bolts 116. A triangular shaped cap 118 is adjustably fastened to the top end of each of the bars 114, by means of the bolts 119. An angle iron 120 has its ends fastened to the caps 118. A receiving board 121 is fastened to one of the legs of the angle iron 120. By means of the bolts 116 and 119, the receiving board 121 can be located at clifferent elevations and inclinations.

To operate the dofiing device the spur gear 31 is rotated by means, not shown. The spur gear 31 rotates the spur gear 107, causing the shaft 35 with the spur gear 41 to rotate, whereby the receiving wheels R turn in the direction of the arrow A. The spur gear 41 rotates the spur gear 86, causing the discharging wheels D to rotate in the direction of the arrow B.

The pieces of material 100 operated upon are delivered by the appurtenances of a cutting machine, not shown, tothe printing press cylinder--28, in which latter the forward end of each piece of said material is maintained by means of the grippers 30. When the grippers 30 are located adjacent to the grippers 56, the latter close on the forward end of the pieces of material 100,

and immediately thereafter the grippers 30 release said material. The said pieces of material arev now carried on the receiving wheels R. The wheels R can be located in proper position on the shaft 35 to suit different lengths of material, by means of the screws 36, so that the circumferential distance between the fingers 49 and the flexible buffers 54 equals one-half the length of the material to be folded, in which case the pieces of material 100 operated upon are folded at the middle portions. The fold may be made at a different'portion of each piece, by changing the distance between the fingers 49 and the buffers 54. IVhen the roller 71 rolls on the cam surface 64 of the cam 62 the grippers 56 are in their open position as shown. WVhen the roller 71 rolls on the vertical leg the grippers 56 are closed by virtue of the tension of the spring and remain closed until the roller 71 contacts withthe other side of the cam 62.

The pieces of material are now carried terial 100 is carried by the biting bar 94 over 0 the dofiing device, with its open ends hearing against the upper portion of the doffing board 113, and upon-further rotation of the wheels D each piece of folded material 100 is doffed over the receiving board 121. hen the roller 102 leaves the cam surface 90,

the folded. pieces of material are released by means of the spring 97, which swings upon the biting bar 94. The folded pieces of material 100 now drop upon the receiving board 121, which latter is located to receive the central portion of each piece of material at its'corner 121*, with the folded end at one side and the open ends at the other.

This invention may be modified and the present exemplification is to be taken as illustrative and not limitative thereof.

Having described my invention what I desire to secure by LettersPatent and claim 1. In a dotting device the combination of a dofiing board, a receiving board spaced from the dofiing board, means to locate the receiving board at different levels and means to locate the receiving board at clifferent inclined positions.

2. In a doifing device the combination of a pair of brackets each with a horizontal leg and an inclined leg, a dofiing board fastened to the inclined legs of said brackets and a receiving board adjustably connected to the horizontal legs of said brackets.

3. In a dofiing device the combination of a pair of brackets, means to secure said brackets in different angular positions, each The forward half of each piece of of said brackets having a horizontal leg and an inclined leg, a dofling board fastened to the lnchned legs of said brackets and a receiving board adjustably connected to the horizontal legs of said brackets.

l. In a doffing device the combination 'of a pair of brackets each with a horizontal leg and an inclined leg, a doffing board fastened to the inclined legs of said brackets, a bar adjustably fastened to each of the horizontal legs of said brackets, a cap adjustably fastened to the upper end of each of said bars, an angle ironsupported upon and fastened to said caps and a receiving board supported upon and fastened to a member of said angle iron.

The combination with a folding machine for pieces of material to be operated upon, of a dofling device located adjacent to the discharging wheels of said machine and comprising a doffin g board for the lower ends of said pieces of material to bear against when being doifed and a receiving board in said dofiing device to receive the pieces of material after being released from said folding machine.

6. The combination of a printing press cylinder and a folding machine for pieces of material operated upon means in the folding machine to grip pieces of material from said printing press cylinder and a dofling device to doff said pieces of material after being released from said folding machine.

7. The combination of a folding machine for pieces of material operated upon, a doffing device located below the discharging wheels of said folding machine, said doifing device comprising a dofling board located below the junction of the receiving wheels and discharging wheels of said folding machine, a receiving board in the dofling device below said discharging wheels and spaced from said dofiing board and means to locate said receiving board in different positions.

8. The combination of a pair of frames each with a leg, a pair of brackets of a dofiing device adjustably connected to said legs, a doiiing board and a receiving board fastened to said brackets.

9. The combination of a pair of side frames each with a leg, a folding machine supported on said side frames said folding machine comprising rotating receiving wheels with their appurtenances and rotating discharging wheels with their appurtenances, a dofling device below said discharging wheels and comprising a pair of angular shaped brackets each with a horizontal leg and an inclined leg, each of said horizontal legs adjustably fastened respectively to a leg of the said side frames, a dofling board fastened to the inclined legs of said brackets, a bar adjustably fastened to each of the horizontal legs of said brackets and spaced from said dofiing board, a cap adjustably bolted to the upper end of each of said bars, an angle iron supported on and fastened to said caps and a receiving board supported upon and fastened to one of the legs of said angle iron.

Signed at the borough of Manhattan, city of New York, in the county of New York and State of New York this 24th day of March A. D. 1923.

EDWARD GUY GOBEN. 

